This paper points out main disadvantages of mining technology being used in small collieries and discusses how to adopt long room system to reform the current technology of mining. 论述了目前小煤矿开采技术存在的主要问题,探讨了采用长房式采煤法改革小煤矿开采的技术问题,此法适用于条件合适的小煤矿。
It was a freak of mine to wear pink pajamas. 穿上粉红色睡衣是我一时的奇想。
To meet the requirement of mining technology innovation, as a developing trend, mining roadways in thick coal seams of Xinglongzhuang coal mine should be totally located in coal seam. 由此提出,为不断适应采煤工艺变革的要求,“全煤采区巷道布置方式”将是兴隆庄煤矿“厚煤层采区巷道布置方式”的发展趋势。
I knocked into an old friend of mine in the park. 我昨天在公园里碰见一位老朋友。
Do you want to see the abstract of my paper? 看实在没什么材料可以交了,就在那看着她?